[PATCH 02/13] hwmon: convert ntc_thermistor to use devm_thermal_zone_of_sensor_register
From: Eduardo Valentin <edubezval@gmail.com>
Date: 2016-03-09 21:36:20
Also in:
lkml
Subsystem:
hardware monitoring, the rest · Maintainers:
Guenter Roeck, Linus Torvalds
This changes the driver to use the devm_ version of thermal_zone_of_sensor_register and cleans up the local points and unregister calls. Cc: Jean Delvare <jdelvare@suse.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: lm-sensors@lm-sensors.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> --- drivers/hwmon/ntc_thermistor.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index feed306..ffc12f1 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c@@ -221,7 +221,6 @@ struct ntc_data { struct device *dev; int n_comp; char name[PLATFORM_NAME_SIZE]; - struct thermal_zone_device *tz; }; #if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO)
@@ -539,6 +538,7 @@ static const struct thermal_zone_of_device_ops ntc_of_thermal_ops = { static int ntc_thermistor_probe(struct platform_device *pdev) { + struct thermal_zone_device *tz; const struct of_device_id *of_id = of_match_device(of_match_ptr(ntc_match), &pdev->dev); const struct platform_device_id *pdev_id;
@@ -633,12 +633,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n", pdev_id->name); - data->tz = thermal_zone_of_sensor_register(data->dev, 0, data->dev, - &ntc_of_thermal_ops); - if (IS_ERR(data->tz)) { + tz = devm_thermal_zone_of_sensor_register(data->dev, 0, data->dev, + &ntc_of_thermal_ops); + if (IS_ERR(tz)) dev_dbg(&pdev->dev, "Failed to register to thermal fw.\n"); - data->tz = NULL; - } return 0; err_after_sysfs:
@@ -656,8 +654,6 @@ static int ntc_thermistor_remove(struct platform_device *pdev) sysfs_remove_group(&data->dev->kobj, &ntc_attr_group); ntc_iio_channel_release(pdata); - thermal_zone_of_sensor_unregister(data->dev, data->tz); - return 0; }
--
2.1.4